3/5/12: Everything Is Obvious, Once You Know the Answer

You may think there's nothing more natural than common sense. Well think again. The sociologist and network scientist Duncan Watts says that commonsense reasoning fails us time after time. It often misleads us into thinking we know more about human behavior than we actually do. Only by understanding how and when common sense fails us, Watts says, can we improve how we plan for the future and understand the present. Watts joins Doug on Monday to expose the holes in our common sense thinking.